# from greenlet import greenlet
# import time
#
# def test1():
#     while True:
#         print('--A--')
#         gr2.switch()
#         time.sleep(1)
#
#
# def test2():
#     while True:
#         print('--B--')
#         gr1.switch()
#         time.sleep(1)
#
#
# gr1=greenlet(test1)
# gr2=greenlet(test2)
#
# gr1.switch()

print(111)












